@use 'sass:map';
@use '../core/theming/theming';
@use '../core/tokens/m2-utils';

// Tokens that can't be configured through Angular Material's current theming API,
// but may be in a future version of the theming API.
@function get-unthemable-tokens() {
  @return ();
}

// Tokens that can be configured through Angular Material's color theming API.
@function get-color-tokens($theme) {
  $system: m2-utils.get-system($theme);
  @return private-get-color-palette-color-tokens(
    $background-color: map.get($system, surface),
    $text-color: map.get($system, on-surface),
  );
}

// Tokens that can be configured through Angular Material's typography theming API.
@function get-typography-tokens($theme) {
  $system: m2-utils.get-system($theme);
  @return (
    toolbar-title-text-font: map.get($system, title-small-font),
    toolbar-title-text-line-height: map.get($system, title-small-line-height),
    toolbar-title-text-size: map.get($system, title-small-size),
    toolbar-title-text-tracking: map.get($system, title-small-tracking),
    toolbar-title-text-weight: map.get($system, title-small-weight),
  );
}

// Tokens that can be configured through Angular Material's density theming API.
@function get-density-tokens($theme) {
  $system: m2-utils.get-system($theme);
  $density-scale: theming.clamp-density(map.get($system, density-scale), -3);
  $standard-scale: (
    0: 64px,
    -1: 60px,
    -2: 56px,
    -3: 52px,
  );

  $mobile-scale: (
    0: 56px,
    -1: 52px,
    -2: 48px,
    -3: 44px,
  );

  @return (
    toolbar-standard-height: map.get($standard-scale, $density-scale),
    toolbar-mobile-height: map.get($mobile-scale, $density-scale),
  );
}

// Generates the tokens used to theme the toolbar based on a palette.
@function private-get-color-palette-color-tokens($background-color, $text-color) {
  @return (
    toolbar-container-background-color: $background-color,
    toolbar-container-text-color: $text-color,
  );
}
